6. Press a new bulb into the socket, insert it into the
taillamp housing and turn the socket clockwise into
the taillamp housing until it clicks.
7. Reinstall the rear lamp assembly and tighten the
screws.
Replacement Bulbs
Exterior Lamp Bulb Number
Low-Beam Headlamps (HID) *
High-Beam Headlamps 9005 or 9005 LL
Daytime Running Lamps (DRL) 4114K
Front Sidemarker Lamp 194
Front Parking and Turn Lamp3157 or
3157K Long Life
Taillamp and Stop Lamp 3057
Rear Turn Signal Lamp and
Stop Lamp3057
Back-up Lamp 3157
*For replacement bulbs not listed here, please consult
your dealer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected at least
twice a year for wear and cracking. SeeScheduled
Maintenance on page 6-4for more information.
Replacement blades come in different types and are
removed in different ways. For proper type and length,
see
Normal Maintenance Replacement Parts on
page 6-15.
5-62
Fuses Usage
4WD Four-Wheel Drive System
HTR A/C Climate Control System
LOCKPower Door Lock Relay
(Lock Function)
HVAC 1Inside Rearview Mirror, Climate
Control System
L DOORDriver's Door Harness
Connection
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock Relay
(Driver's Door Unlock Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop TrailerFuses Usage
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
Body Harness Connector
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
DDM Driver Door Module
AUX PWR 2Rear Cargo Area Power
Outlets
LOCKS Power Door Lock System
ECCRear Electronic Climate
Control, Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Window Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-113
Fuses Usage
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Rear Climate Control
AUX PWRAuxiliary Power
Outlet - Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
INJ 1Ignition Coil, Fuel
Injectors - Bank 1
INJ 2Ignition Coil, Fuel
Injectors - Bank 2
IGN EInstrument Panel Cluster,
Air Conditioning Relay,
Turn Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer WiringFuses Usage
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
O2A Oxygen Sensors
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock Control
System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
O2B Oxygen Sensors
SIRSupplemental In¯atable Restraint
System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP - LT High Beam Headlamp - Left
5-118
Bulb Replacement...........................................5-55
Center High-Mounted Stoplamp (CHMSL)........5-61
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-60
Halogen Bulbs............................................5-55
Headlamp Aiming........................................5-51
Headlamps.................................................5-56
High Intensity Discharge (HID) Lighting...........5-55
Replacement Bulbs......................................5-62
Taillamps....................................................5-61
Buying New Tires...........................................5-76
C
Cadillac Owner PrivilegesŸ............................... 7-6
California Fuel.................................................. 5-5
Canada ± Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Capacities and Speci®cations..........................5-120
Carbon Monoxide...........4-40, 4-55, 2-13, 2-23, 2-41
Care of
Safety Belts..............................................5-105
Your Cassette Tape Player..........................3-100
Your CD and DVD Player...........................3-102
Your CD Changer......................................3-101
Your CDs and DVDs..................................3-101
Cargo Area, All-Weather..................................2-66Cargo Area Floor Drains..................................2-71
Cargo Cover Panels........................................2-56
Cargo Lamps.................................................3-18
Cargo Panel Storage System............................2-58
Cargo Tie Downs............................................2-66
Cassette Tape Messages.................................3-78
CD Adapter Kits.............................................3-79
CD Changer...................................................3-95
CD Changer Errors.........................................3-98
CD Functions.................................................3-97
CD Messages................................................3-81
Center Console Storage Area...........................2-54
Center High-Mounted Stoplamp (CHMSL)...........5-61
Center Instrument Panel Fuse Block................5-114
Chains, Tires..................................................5-81
CHANGE ENGINE OIL....................................3-60
Charging System Light....................................3-38
Check Engine Light.........................................3-44
CHECK OIL LEVEL.........................................3-60
CHECK TIRE PRESSURE...............................3-67
CHECK WASHER FLUID.................................3-63
Checking Brake Fluid......................................5-39
Checking Coolant............................................5-24
Checking Engine Oil........................................5-12
Checking Things Under the Hood....................... 5-8
Checking Your Restraint Systems......................1-61
Chemical Paint Spotting.................................5-108
3
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp
Aiming.......................................................5-51
Horizontal Aiming.........................................5-52
Vertical Aiming............................................5-53
Headlamp High/Low-Beam Changer.................... 3-9
Headlamps....................................................5-56
Bulb Replacement.......................................5-55
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-60
Halogen Bulbs............................................5-55
High Intensity Discharge (HID) Lighting...........5-55
Headphones...................................................3-89
Heated Seats................................................... 1-3
Heating.........................................................3-30
Highway Hypnosis...........................................4-38
Hill and Mountain Roads..................................4-38
Hitches..........................................................4-60
HomeLink
žTransmitter....................................2-50
HomeLinkžTransmitter, Programming................2-50
Hood
Checking Things Under.................................. 5-8
Release....................................................... 5-9
Horn............................................................... 3-7
How the System Works...................................3-22
How to Add Coolant to the Coolant
Surge Tank.................................................5-30How to Add Fluid............................................5-21
How to Check........................................5-19, 5-71
How to Check Lubricant...................................5-49
How to Check Power Steering Fluid..................5-36
How to Inspect...............................................5-17
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-34
I
If No Steam Is Coming From Your Engine..........5-27
If Steam Is Coming From Your Engine...............5-26
If the Light is Flashing.....................................3-45
If the Light Is On Steady.................................3-45
If You Are Caught in a Blizzard.........................4-42
If You Are Stuck in Sand, Mud, Ice or Snow.......4-44
If You Do Decide To Pull A Trailer.....................4-56
Ignition Positions.............................................2-30
Illuminated Visor Vanity Mirrors.........................2-27
Infants and Young Children, Restraints...............1-30
In¯ation - Tire Pressure...................................5-71
Instrument Panel
Cluster.......................................................3-34
Overview..................................................... 3-4
Instrument Panel Brightness.............................3-19
Instrument Panel Fuse Block..........................5-112
Interior Lamps................................................3-19
8
Towing
Recreational Vehicle.....................................4-46
Towing a Trailer..........................................4-55
Your Vehicle...............................................4-46
Traction
Off Light.....................................................3-42
Road Sensing Suspension.............................. 4-9
Stabilitrak
žSystem........................................ 4-9
TRACTION ACTIVE........................................3-65
Traction Control Operation................................4-10
TRACTION SYS LIMITED................................3-65
Trailer
Recommendations.......................................4-54
Trailer Brakes.................................................4-61
Trailer Wiring Harness.....................................4-64
TRANS HOT IDLE ENGINE.............................3-64
Transfer Case................................................5-48
Transmission
Fluid, Automatic...........................................5-19
Temperature Gage.......................................3-43
TRANSMISSION HOT.....................................3-63Transmission Operation, Automatic....................2-34
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11
Transportation Options...................................... 7-7
Traveling to Remote Areas...............................4-19
Trip Information Button....................................3-50
Truck-Camper Loading Information....................4-54
Turn and Lane Change Signals.......................... 3-8
TURN SIGNAL ON.........................................3-62
Turn Signal/Multifunction Lever........................... 3-7
Turn Signals When Towing a Trailer..................4-62
U
Ultrasonic Rear Parking Assist (URPA)...............3-20
Underhood Fuse Block...................................5-115
Understanding Radio Reception.......................3-100
Uniform Tire Quality Grading............................5-78
United States ± Customer Assistance.................. 7-4
Using HomeLink
ž...........................................2-53
Using the Recovery Hooks...............................4-45
16